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#!/bin/sh
#
# koha-dump: dump all contents and configs for a Koha site
# Copyright 2010 Catalyst IT, Ltd
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
set -e
# include helper functions
if [ -f "/usr/share/koha/bin/koha-functions.sh" ]; then
. "/usr/share/koha/bin/koha-functions.sh"
else
echo "Error: /usr/share/koha/bin/koha-functions.sh not present." 1>&2
exit 1
fi
# Make sure the files we create are not accessible by anyone else.
umask 0077
usage()
{
local scriptname=$(basename $0)
cat <<EOF
$scriptname
This script dumps your Koha instance data for backup or migration.
The schema only option can be used to compare your existing database schema
to the expected Koha structure.
Usage:
$scriptname [--quiet|-q] [--exclude-indexes] instancename1 [instancename2...]
$scriptname -h|--help
--schema-only Dump only the database schema
--exclude-indexes Include Zebra indexes on the backup
--quiet|-q Make the script avoid printing to STDOUT
(useful for calling from another scripts)
--help|-h Display this help message
--without-db-name Do not include database name
EOF
}
dump_instance()
{
local name=$1
kohaconfig="/etc/koha/sites/$name/koha-conf.xml"
date="$(date +%Y-%m-%d)"
[ "$quiet" = "no" ] && echo "Dumping Koha site $name:"
# Dump database.
mysqlhost="$( xmlstarlet sel -t -v 'yazgfs/config/hostname' $kohaconfig )"
mysqldb="$( xmlstarlet sel -t -v 'yazgfs/config/database' $kohaconfig )"
mysqluser="$( xmlstarlet sel -t -v 'yazgfs/config/user' $kohaconfig )"
mysqlpass="$( xmlstarlet sel -t -v 'yazgfs/config/pass' $kohaconfig )"
backupdir="$( xmlstarlet sel -t -v 'yazgfs/config/backupdir' $kohaconfig || true )"
[ -z "$backupdir" ] && backupdir="/var/spool/koha/$name"
dbdump="$backupdir/$name-$date.sql.gz"
dbflag="--databases"
[ "$without_db_name" = "yes" ] && dbflag=""
if [ "$schema_only" = "yes" ]
then
schemadump="$backupdir/$name-schema-$date.sql"
[ "$quiet" = "no" ] && echo "* schema to $schemadump"
mysqldump $dbflag -d --host="$mysqlhost" --single-transaction \
--user="$mysqluser" --password="$mysqlpass" "$mysqldb" | sed --expression='s/ AUTO_INCREMENT=[0-9]\+//' > "$schemadump"
chown "root:$name-koha" "$schemadump"
chmod g+r "$schemadump"
else
[ "$quiet" = "no" ] && echo "* DB to $dbdump"
mysqldump $dbflag --host="$mysqlhost" --single-transaction \
--user="$mysqluser" --password="$mysqlpass" "$mysqldb" |
gzip > "$dbdump"
chown "root:$name-koha" "$dbdump"
chmod g+r "$dbdump"
instancefile="$name.conf"
# Dump configs, logs, etc.
metadump="$backupdir/$name-$date.tar.gz"
[ "$quiet" = "no" ] && echo "* configs, logs to $metadump"
if [ "$exclude_indexes" = "yes" ]; then
excludes="--exclude=var/lib/koha/$name/biblios \
--exclude=var/lib/koha/$name/authorities"
fi
tar -czf "$metadump" -C / $excludes \
"etc/koha/sites/$name" \
"etc/apache2/sites-available/$instancefile" \
"etc/apache2/sites-enabled/$instancefile" \
"var/lib/koha/$name" \
"var/log/koha/$name"
chown "root:$name-koha" "$metadump"
chmod g+r "$metadump"
[ "$quiet" = "no" ] && echo "Done."
fi
}
# Default values
quiet="no"
exclude_indexes="no"
without_db_name="no"
schema_only="no"
while [ $# -gt 0 ]; do
case "$1" in
--schema-only)
schema_only="yes"
shift ;;
--exclude-indexes)
exclude_indexes="yes"
shift ;;
--without-db-name)
without_db_name="yes"
shift ;;
-h|--help)
usage ; exit 0 ;;
-q|--quiet)
quiet="yes"
shift ;;
-*)
die "Error: invalid option switch ($1)" ;;
*)
# We expect the remaining stuff are the instance names
break ;;
esac
done
# Read instance names
if [ $# -gt 0 ]; then
# We have at least one instance name
for name in "$@"; do
if is_instance $name; then
dump_instance $name
else
if [ "$quiet" = "no" ]; then
die "Error: Invalid instance name $name"
else
exit 1
fi
fi
done
else
if [ "$quiet" = "no" ]; then
die "Error: you must provide at least one instance name"
else
exit 1
fi
fi
exit 0